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I think that’s roughly 0.00005c, which at least to me sounds pretty fast.

~16,000 m/s (mean) is pretty fast

I wonder in how many years from now, we can do the 46 years in 22 months? 22 days? 22 hours?

FYI, 22hrs would be about light speed, or a little over. Voyager 1 is at 162AU distance from Earth. 1AU takes about 8.3mins. 162AU would take about 1344.6mins, which is 22.41hrs.

So yeah, I'm eagerly looking forward to that day.

to do it in 22 hours means moving at the speed of light, so never.

You can theoretically do the 22 light-hour trip in 1 hour of subjective time if you travel at 99.9% of light speed.

At least if my math is correct (?)

Now, if the time is measured from standing still, it will take a lot longer. At least at accelerations that a human can survive.

So it takes about 22 hours for a signal to get from or to it?

Yes